Home / 213,907.28-295,192.45-137,426.83

Finding the Fourth Proportional to 213,907.28, 295,192.45 and 137,426.83

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Solution

The fourth proportional to 213,907.28, 295,192.45 and 137,426.83 is: 189,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,907.28 : 295,192.45 = 137,426.83 : x
  2. Step 2: Convert to fraction form
    213,907.28/295,192.45 = 137,426.83/x
  3. Step 3: Cross multiply
    213,907.28x = 295,192.45 × 137,426.83
  4. Step 4: Simplify right side
    213,907.28x = 40,567,362,077.24
  5. Step 5: Solve for x
    x = 40,567,362,077.24/213,907.28
  6. Step 6: Final answer
    x = 189,649.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.